Deuteronomy 10:20

10:20 Revere the Lord your God, serve him, be loyal to him and take oaths only in his name.

Deuteronomy 11:16

Exhortation to Instruction and Obedience

11:16 Make sure you do not turn away to serve and worship other gods!

Deuteronomy 28:39

28:39 You will plant vineyards and cultivate them, but you will not drink wine or gather in grapes, because worms will eat them.

Deuteronomy 28:47

The Curse of Military Siege

28:47 “Because you have not served the Lord your God joyfully and wholeheartedly with the abundance of everything you have,

Deuteronomy 30:17

30:17 However, if you turn aside and do not obey, but are lured away to worship and serve other gods,